1109202001 has 4 divisors (see below), whose sum is σ = 1109333104. Its totient is φ = 1109070900.

The previous prime is 1109201981. The next prime is 1109202023. The reversal of 1109202001 is 1002029011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1109202001 - 2¹³ = 1109193809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1109202091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51915 + ... + 70096.

It is an arithmetic number, because the mean of its divisors is an integer number (277333276).

Almost surely, 2^1109202001 is an apocalyptic number.

It is an amenable number.

1109202001 is a deficient number, since it is larger than the sum of its proper divisors (131103).

1109202001 is an equidigital number, since it uses as much as digits as its factorization.

1109202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131102.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 1109202001 is about 33304.6843702204. The cubic root of 1109202001 is about 1035.1506236791.

The spelling of 1109202001 in words is "one billion, one hundred nine million, two hundred two thousand, one".